CF1763421369817-tsm20251116095642

MXLIST.NET - 100.14.149.in-addr.arpa

Search for IP or hostnames:

100.14.149.in-addr.arpa checked at 2025-11-17T23:16:09.692Z 1143ms 50/50/50 100% R:10 allDone:true timedOut:false

100.14.149.in-addr.arpa

NSauth1.dns.cogentco.com
A2001:550:1:a::d 🇺🇸 COGENT
PTRauth1.dns.cogentco.com
A66.28.0.14🇺🇸 COGENT
PTRauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
A2001:550:1:b::d 🇺🇸 COGENT
PTRauth2.dns.cogentco.com
A66.28.0.30🇺🇸 COGENT
PTRauth2.dns.cogentco.com

14.149.in-addr.arpa

NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com

Up

Starts with same word

Starts similarily

AI analysis

100.14.149.in-addr.arpa is the parent of 170.100.14.149.in-addr.arpa, 131.100.14.149.in-addr.arpa and 171.100.14.149.in-addr.arpa.

100.14.149.in-addr.arpa is delegated to two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com.

100.14.149.in-addr.arpa shares the same name server setup as other domains, for instance 80.117.38.in-addr.arpa, cogentsp.com, 58.34.149.in-addr.arpa, 254.148.in-addr.arpa and 121.32.38.in-addr.arpa.

100.14.149.in-addr.arpa at least partially shares name servers with other domains, for instance bigbrown.org, 74.44.209.in-addr.arpa, upsts.com, ups.se and ups-scs.com.

Name servers commonly used together include nsa.ups.com, nsb.ups.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns1.vodafone-ip.de, ns2.vodafone-ip.de, ns1.netrail.net, ns2.netrail.net and ns3.netrail.net.

Host names with two IP numbers:

The host name auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; the host name auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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